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NJ AMERICAN WATER - WASHINGTON/OXFORD

PWS ID: NJ2121001 · CHERRY HILL, New Jersey 08034

NJ AMERICAN WATER - WASHINGTON/OXFORD serves 10,719 people in CHERRY HILL, New Jersey using Groundwater water sources. It has 75 recorded EPA violations, including 0 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (4 compounds found).

Water Quality Snapshot: NJ AMERICAN WATER - WASHINGTON/OXFORD

NJ AMERICAN WATER - WASHINGTON/OXFORD is a private-owned community water system that delivers drinking water to 10,719 residents in CHERRY HILL, New Jersey (Warren County) through 4,154 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 75 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 71 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate, recorded in 4 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 4 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 18.7 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across New Jersey, EPA tracks 3,428 public water systems serving 9,570,926 people, with 204,988 cumulative violations and 22,229 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 59.8 violations. NJ AMERICAN WATER - WASHINGTON/OXFORD's 75 violations sit above the New Jersey average. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

4 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
10,719
Total Violations
75
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
4,154
County
Warren
School/Daycare
No
MCL Violations
0
Monitoring Violations
71
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 4 2024
cis-1,2-Dichloroethylene MR 3 2009
DICHLOROMETHANE MR 3 2009
p-Dichlorobenzene MR 3 2009
Vinyl chloride MR 3 2009
1,1-Dichloroethylene MR 3 2009
1,2-Dichloroethane MR 3 2009
1,1,1-Trichloroethane MR 3 2009
1,2-Dichloropropane MR 3 2009
Trichloroethylene MR 3 2009
1,1,2-Trichloroethane MR 3 2009
Tetrachloroethylene MR 3 2009
CHLOROBENZENE MR 3 2009
Benzene MR 3 2009
Toluene MR 3 2009
Ethylbenzene MR 3 2009
E. COLI MR 3 2024
Styrene MR 3 2009
o-Dichlorobenzene MR 3 2009
1,2,4-Trichlorobenzene MR 3 2009
Xylenes, Total MR 3 2009
Carbon tetrachloride MR 3 2009
trans-1,2-Dichloroethylene MR 3 2009
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 15 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/29/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/29/2023 0.0030 µg/L 0.003 µg/L Detected
PFOS 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/29/2023 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/29/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/29/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 9/29/2023 0.0060 µg/L 0.004 µg/L Detected
9Cl-PF3ONS 9/29/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/29/2023 0.0047 µg/L 0.004 µg/L Detected
PFDA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/29/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 9/29/2023 <0.003 µg/L 0.003 µg/L Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for NJ AMERICAN WATER - WASHINGTON/OXFORD.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NJ2121001 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Jersey Drinking Water Authority

NJ DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects NJ AMERICAN WATER - WASHINGTON/OXFORD under EPA-delegated authority.

Open NJ regulator portal

Source: NJ DEP — Bureau of Safe Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Nitrate MR 4 SDWIS / NJ2121001 / 1040
2024 E. COLI MR 3 SDWIS / NJ2121001 / 3014
2009 cis-1,2-Dichloroethylene MR 3 SDWIS / NJ2121001 / 2380
2009 DICHLOROMETHANE MR 3 SDWIS / NJ2121001 / 2964
2009 p-Dichlorobenzene MR 3 SDWIS / NJ2121001 / 2969
2009 Vinyl chloride MR 3 SDWIS / NJ2121001 / 2976
2009 1,1-Dichloroethylene MR 3 SDWIS / NJ2121001 / 2977
2009 1,2-Dichloroethane MR 3 SDWIS / NJ2121001 / 2980
2009 1,1,1-Trichloroethane MR 3 SDWIS / NJ2121001 / 2981
2009 1,2-Dichloropropane MR 3 SDWIS / NJ2121001 / 2983
2009 Trichloroethylene MR 3 SDWIS / NJ2121001 / 2984
2009 1,1,2-Trichloroethane MR 3 SDWIS / NJ2121001 / 2985
2009 Tetrachloroethylene MR 3 SDWIS / NJ2121001 / 2987
2009 CHLOROBENZENE MR 3 SDWIS / NJ2121001 / 2989
2009 Benzene MR 3 SDWIS / NJ2121001 / 2990

How NJ AMERICAN WATER - WASHINGTON/OXFORD Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric NJ AMERICAN WATER - WASHINGTON/OXFORD New Jersey avg Federal benchmark
Total violations 75 59.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 6.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 4 compounds 78.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 10,719 2,792 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,428 regulated public water systems in New Jersey.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NJ AMERICAN WATER - WASHINGTON/OXFORD water safe to drink? ▼
NJ AMERICAN WATER - WASHINGTON/OXFORD (PWS ID: NJ2121001) has 75 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 10,719 people using Groundwater sources.
How many people does NJ AMERICAN WATER - WASHINGTON/OXFORD serve? ▼
NJ AMERICAN WATER - WASHINGTON/OXFORD serves 10,719 people in CHERRY HILL, New Jersey. It is a Private-owned system using Groundwater water sources with 4,154 service connections.
What type of violations does NJ AMERICAN WATER - WASHINGTON/OXFORD have? ▼
NJ AMERICAN WATER - WASHINGTON/OXFORD has 75 total violations: 0 health-based violations (MCL exceedances or treatment failures), 71 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NJ AMERICAN WATER - WASHINGTON/OXFORD water? ▼
Yes. UCMR5 testing detected 4 PFAS compounds in NJ AMERICAN WATER - WASHINGTON/OXFORD's water supply: PFHxS, PFOS, PFOA, lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does NJ AMERICAN WATER - WASHINGTON/OXFORD use? ▼
NJ AMERICAN WATER - WASHINGTON/OXFORD uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial